I thought I could stream all of my music from my Mac to my AirPort Express, but I can’t send my Pandora music to it. I’ve looked all over my AirPort Utility settings and my System Preferences, but there’s no way for me to stream Pandora to it. What gives?

Dearly beloved, we are gathered here today 2 rail against digital music and iTunes in particular. So says the artist formerly known (and later still known) as Prince, who claims that “the Internet’s completely over.”

If you thought Pandora was your only option for a multitasking, background playing music app, you're seriously going to love this news. Both Last.fm and Spotify have announced that their app updates include iOS 4 support and background listening.

There are two key phases of every guitarist’s day: The hours they are playing guitar and the hours they wish they were. And depending on how you use it, the iPhone and iPod touch can either lessen the withdrawal symptoms or make your practice that much closer to perfect--but can it replace your guitar altogether?

If you've ever doubted the iPad as a musical instrument, wait until you see this app. Artikulator is a musical app that allows you to slide your fingers across the screen to create audibly pleasing music, all the while creating visually stimulating animations on screen.

If you've ever wondered what it takes to be an iPad DJ, it might be best to start with the right apps. We met up with the world's first iPad DJ, Rana Sobhany, to find out what apps it takes to make the kind of electronica, drum and bass, and dub step dance beats she churns out with her favorite iDevice. Check out the video after the cut as she demoes four of her favorite music-making apps that she uses in her own live shows, and then head on over to the App Store to start creating your own tunes.

Like X-ray glasses and sea monkeys, vacuum tubes are the stuff of 1950s
pulp-fiction cool. They even glow in the dark! And it turns out that
they can improve the sound of modern digital music--if you stick with
high-quality, lossless files, that is.